What is expand (-s^2+36)/((s^2+36)^2) ?

The solution to expand (-s^2+36)/((s^2+36)^2) is (-s^2+36)/(s^4+72s^2+1296)

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expand (-s^2+36)/((s^2+36)^2)

expand

\frac{- s ^{2} + 36}{( s ^{2} + 36 ) ^{2}}

\frac{- s ^{2} + 36}{s ^{4} + 72 s ^{2} + 1296}

Solution steps

\frac{- s ^{2} + 36}{( s ^{2} + 36 ) ^{2}}

(s^{2} + 36)^{2} = s^{4} + 72 s^{2} + 1296

= \frac{- s ^{2} + 36}{s ^{4} + 72 s ^{2} + 1296}

\frac{2 a}{( a ^{2} - b ^{2} ) ( a ^{2} + 3 b ^{2} )}

\frac{( x + 1 )}{( x - 2 ) ^{2}}

- \frac{( r _{2} w ^{2} L c - r _{1} ) ( 1 - w ^{2} L c )}{w ^{2} c ^{3}}

\frac{3 s ^{3} + 2 s ^{2} + 4 s - 1}{( s ^{2} + 4 ) ( s ^{2} + 9 )}

(- x cos^{2} (y) - x sin^{2} (y))^{2}

What is expand (-s^2+36)/((s^2+36)^2) ?
The solution to expand (-s^2+36)/((s^2+36)^2) is (-s^2+36)/(s^4+72s^2+1296)